A.breaking the chain reaction
B.smothering the fire
C.cooling the fire
D.coating the fule with a nonflammable surface
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A.cooling
B.smothering
C.shielding of radiant heat
D.breaking the chain reaction
A.directly on flames
B.at room temperature
C.in an extremely cold climate
D.None of the above
A.to right the raft if it capsizes
B.to carry the raft around on deck
C.for crewmen to hang on to
D.to hang the raft for drying
A.more
B.not so much
C.rather
D.not shch
A.anchoring
B.mooring
C.sewing
D.splicing
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The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
What is it called when it is possible to ignite the vapour above the oil?（）
Which of the following shall not the officers in charge of the navigational watch do?（）
A tide is called diurnal when（）.
Full details of all lights and fog signals are shown on（）.
Manoeuvring information can not be obtained from（）.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
（）is where the crew eat their meals.
Berthing means bringing a vessel to her berth until（）.
In the Northern hemisphere northerly winds may cause temperature（）.